81359916

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{409}}^1$

素因数の和:575

約数の個数: 72

約数和(自身を含む): 210703920

約数和(自身を除く): 129344004

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 121, 132, 137, 242, 274, 363, 409, 411, 484, 548, 726, 818, 822, 1227, 1452, 1507, 1636, 1644, 2454, 3014, 4499, 4521, 4908, 6028, 8998, 9042, 13497, 16577, 17996, 18084, 26994, 33154, 49489, 49731, 53988, 56033, 66308, 98978, 99462, 112066, 148467, 168099, 197956, 198924, 224132, 296934, 336198, 593868, 616363, 672396, 1232726, 1849089, 2465452, 3698178, 6779993, 7396356, 13559986, 20339979, 27119972, 40679958, 81359916]

約数ペア:

[(1, 81359916), (2, 40679958), (3, 27119972), (4, 20339979), (6, 13559986), (11, 7396356), (12, 6779993), (22, 3698178), (33, 2465452), (44, 1849089), (66, 1232726), (121, 672396), (132, 616363), (137, 593868), (242, 336198), (274, 296934), (363, 224132), (409, 198924), (411, 197956), (484, 168099), (548, 148467), (726, 112066), (818, 99462), (822, 98978), (1227, 66308), (1452, 56033), (1507, 53988), (1636, 49731), (1644, 49489), (2454, 33154), (3014, 26994), (4499, 18084), (4521, 17996), (4908, 16577), (6028, 13497), (8998, 9042)]